Figure 2From: Targeted therapies in breast cancer: are heart and vessels also being targeted?Antiangiogenic therapy - different targets for different drugs. mTOR, mammalian target of rapamycin; PI3K, phosphoinositide 3-kinase; PIGF, placenta growth factor; VEGF, vascular endothelial growth factor; VEGFR, vascular endothelial growth factor receptor.Back to article page